//
// Created by deepin on 2020/11/11.
//

#ifndef C___COORDIN_H
#define C___COORDIN_H
struct polar
{
    double distance;
    double angle;
};
struct rect
{
    double x;
    double y;
};
polar rect_to_polar(rect xypos);
void show_polar(polar dapos);
#endif //C___COORDIN_H
